I was getting ready the snow coming and wanted to make sure everything was working with the 4WD before it hits. Everything engaged fine when I went from 2WD to 4HI then from 4HI to 4LO. No problems from 4LO back to 4HI either. Now when I switch back from 4HI to 2HI it feels like the transfer case disengages but after terrible gas mileage over the last couple days I went under to have a look. Even though it feels like the front drive shaft is disengaged it is still turning. Is this due to the front axles not disengaging from the front dif? If so what is the fix?

I am guessing something wrong with a vacuum line but again I am just guessing???

So is there anything in place on the TJ up front that disengages the front axels from the dif to stop the front drive shaft from spinning or does it allways spin even in 2wd?? Sorry just trying to understand the setup. Thanks!

So is there anything in place on the TJ up front that disengages the front axels from the dif to stop the front drive shaft from spinning or does it allways spin even in 2wd?? Sorry just trying to understand the setup. Thanks!

You would need some sort of locking front hub kit to disengage your front axle shafts.

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Originally Posted by 84 CJ7

The Mean Fish you seem to hate big business and love big government. My guess is you are drinking the coolaid that Pelosie, Reid, Barny Frank, Biden, and Obama are serving.

So is there anything in place on the TJ up front that disengages the front axels from the dif to stop the front drive shaft from spinning or does it allways spin even in 2wd?? Sorry just trying to understand the setup. Thanks!

as i understand it, the front driveshaft turns even when in 2wd, its just not engaged

Automatic hubs would be the electronic locking type, our TJs have permanently locked hubs, which is why the drive shaft always spins, and which is why it can be thrown into 4wd at almost any speed, since the hubs don't have to lock